Question

Write three similarities between lanthanoids and actinoids.​

Answer 1

Answer:

1)They both contains 14 elements.

2)They both show contraction of radii.

3)The progressive decrease in the radii of atoms. 4)of the lanthanide and actinides elements as the atomic number increases.

5) They both exhibit a common oxidation state of +3.

Answer 2

Answer:

I HOPE IT WILL HEIP YOU

THANK YOU